Stephen, and Doug: Yes, I suspect the plug to be the culprit here since once I fixed the problem merely by tightening and pushing in on the plug itself. I will take a closer look this afternoon.
73, phil, K7PEH On Oct 5, 2014, at 4:21 AM, Stephen Prior <[email protected]> wrote: > I've also had a situation where just one of the battery wires came adrift > from the plug that comes from the battery pack and goes into the other half > of the case. The KX3 behaved very peculiarly for a while until I noticed > it and re-soldered (fiddly job). > > Stephen G4SJP > > On 5 October 2014 09:27, Doug Turnbull <[email protected]> wrote: > >> Phil, >> I have also experienced the KX3 going dead on fully charged batteries. >> It seems that the only cure was to open up the KX3 remove and reinstall >> batteries and also check cables to see that they are fully seated. Then >> things work again. I have no idea why this should be and thankfully it >> does not happen often. In my case removing and reinstalling the >> batteries >> seems to be a necessity almost as if it was allowing a power off reset. >> This problem seems to occur after a battery charge cycle. The problem is >> thankfully rare but it puts a chill through my bones. >> >> 73 Doug EI2CN >> >> -----Original Message----- >> From: Elecraft [mailto:[email protected]] On Behalf Of Phil >> Hystad >> Sent: 04 October 2014 23:38 >> To: elecraft >> Subject: [Elecraft] KX3 Battery Supply Inoperative 42 Percent of the >> Time... >> >> OK, Here's the thing... >> >> My KX3 battery has operated flawlessly ever since I first built the KX3 and >> put in the battery holder/charger feature. One set of batteries being used >> in portable QRP ops being discharged and recharged many times. Then, I >> decided to buy the 2-meter module option and install that. >> >> I started the installation which included taking out all 8 batteries, >> unplugging the battery connector that goes to the other half of the KX3 and >> so on. I get part way into the installation and discover that I cannot >> finish the job because inductor L40 which has to move cannot physically >> move >> at all. So, I send it to Elecraft, they do the installation, they send the >> unit back to me and everything is hunky-dory except for the battery >> facility. >> >> These are the symptoms. Brand new batteries installed, and I operate the >> KX3 with external power and make sure that the batteries are fully charged. >> The VFO B Display shows BT voltage with a good charged level. I turn the >> KX3 off, disconnect external power, and go to turn on with battery power. >> Nothing happens, just as if no batteries installed. >> >> I replug external power, turn on KX3 using external power and check out the >> various battery menu settings and so on. This time, without unplugging >> external power connector, I merely turn off the external power supply and >> the KX3 continues operating nicely with battery power. I do a number of >> tests with CW key down into metered dummy load to check TX and a few other >> things. I think the problem solved. I run on batteries all afternoon to >> run them down. Turning on external power I recharge the batteries back up >> to an operating level. I turn off KX3, disconnect external power, and turn >> on KX3 and nothing happens just like before. I fiddle with things a bit. >> I >> attempt to do what I did before that brought life back to the battery >> feature but nothing happens. >> >> I split open the KX3 and check the power plug. I push in on it a little >> bit. I put the two halves loosely back together and then do a power on and >> the KX3 comes alive on batteries. >> >> I am thinking that I have a loose connection somewhere, maybe the battery >> hookup plug that goes across to the other half. >> >> Anyone have problems with these connectors? I am wondering if I just give >> up on the battery thing and use my external Li -ion external batteries from >> now on. >> >> 73, phil, K7PEH >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

